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Ryanpeikou: Difference between revisions
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{{Yaku compatibility table|RPK}} | {{Yaku compatibility table|RPK}} | ||
Ryanpeikou is incompatible with other yaku that place conflicting requirements on the [[mentsu]] in the hand. [[Ittsu]], [[sanshoku]], [[sanshoku doukou]], [[toitoi]], [[sanankou]], [[sankantsu]], and [[shousangen]] are excluded as they are require either three different sequences or at least one triplet/quadruplet. [[Rinshan kaihou]] also requires a kan, so it is excluded. [[Chankan]] is incompatible because the winning tile must be unique in the winning hand---all four copies of it having been used in another player's kan. Finally, [[iipeikou]] is incompatible because it is implied by [[ryanpeikou]]. | |||
=== Chiitoitsu === | === Chiitoitsu === | ||
This yaku does not combine with [[chiitoitsu]]. By definition, chiitoitsu is formed by the collection of seven distinct pairs. Such a definition may appear possible with ryanpeikou hands. In most instances of ryanpeikou, the hands look like chiitoitsu hands. However, ryanpeikou is actually composed of [[mentsu#shuntsu|sequences]], rather than as independent pairs. The pattern simply appears as a collection of pairs, when they are actually not. Because of this interpretation, the two yaku remain distinct and incompatible; and it is doubtful, that any [[rule variations|house rule]] allows the combination of the two yaku. | This yaku does not combine with [[chiitoitsu]]. By definition, chiitoitsu is formed by the collection of seven distinct pairs. Such a definition may appear possible with ryanpeikou hands. In most instances of ryanpeikou, the hands look like chiitoitsu hands. However, ryanpeikou is actually composed of [[mentsu#shuntsu|sequences]], rather than as independent pairs. The pattern simply appears as a collection of pairs, when they are actually not. Because of this interpretation, the two yaku remain distinct and incompatible; and it is doubtful, that any [[rule variations|house rule]] allows the combination of the two yaku. | ||
Note that not all instances of ryanpeikou look like chiitoitsu. The following, for instance, is a valid ryanpeikou hand: | |||
:{{#mjt:22334444m78899p}} Agari: {{#mjt:7p}} | |||
=== With chinitsu === | === With chinitsu === | ||